CN103230297B - Reamer for hip arthroplasty,acetabulum - Google Patents
Reamer for hip arthroplasty,acetabulum Download PDFInfo
- Publication number
- CN103230297B CN103230297B CN201310168968.0A CN201310168968A CN103230297B CN 103230297 B CN103230297 B CN 103230297B CN 201310168968 A CN201310168968 A CN 201310168968A CN 103230297 B CN103230297 B CN 103230297B
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- China
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- reamer
- hip arthroplasty
- acetabulum
- file
- rotary handle
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- 210000001624 hip Anatomy 0.000 title claims abstract description 68
- 238000011882 arthroplasty Methods 0.000 title claims abstract description 66
- 210000000588 acetabulum Anatomy 0.000 title claims abstract description 62
- 238000004873 anchoring Methods 0.000 claims description 17
- 210000000988 bone and bone Anatomy 0.000 abstract description 29
- 238000000034 method Methods 0.000 description 3
- 208000012659 Joint disease Diseases 0.000 description 2
- 210000004394 hip joint Anatomy 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 201000008482 osteoarthritis Diseases 0.000 description 2
- 208000020084 Bone disease Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011540 hip replacement Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
Landscapes
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of reamer for hip arthroplasty,acetabulum, comprise file head, file bar and rotary handle, wherein, file head comprises hemispherical curved face part connected with each other and file head bracket, file head bracket is removably connected with file bar, rotary handle is set in outside file bar, is respectively arranged with logical pilot hole connected with each other in axle center, the file center of head bracket and the center of curved face part top-surface camber of file bar. Compared with existing reamer for hip arthroplasty,acetabulum, in reamer for hip arthroplasty,acetabulum provided by the present invention, be provided with pilot hole. In use, first, utilize acetabular bone navigation template to determine burr original position and burr direction, put into and stationary positioned pin; Then, acetabular bone navigation template is taken off; Again reamer for hip arthroplasty,acetabulum is put into along pilot pin indicated direction, can be realized the accurate location of reamer for hip arthroplasty,acetabulum burr original position and burr direction.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly, relate to a kind of reamer for hip arthroplasty,acetabulum.
Background technology
Osteoarthritis (osteoarthritis, OA) is a kind of common bone and joint diseases. From 20th century 60Since age, artificial total hip arthroplasty becomes the standard procedures for the treatment of hip-joint disease gradually. Artificial completeIn hip replacement, the implant angle of hip prosthesis must can be avoided within the scope of homeAcetabular component dislocation, and increase stability, reduce the wearing and tearing of bone dissolving and polyethylene liner material. ForRealize the accurate implantation of hip prosthesis, those skilled in the art provide the making side of acetabular bone navigation templateMethod, by producing and the acetabular bone navigation template entity of patient's bone matched, makes the doctor can beThe preoperative physical condition according to patient's bone is planned and is simulated, between operating in plan and art in the preoperativeSet up contact easily, for mortar cup prosthesis in Replacement of Hip Joint is accurately implanted new side is providedMethod and effectively supplementary means.
But, be limited to existing operating theater instruments, the operation that doctor provides at enforcement acetabular bone navigation templateWhen scheme, also face a lot of difficulties.
In artificial total hip arthroplasty, use reamer for hip arthroplasty,acetabulum to carry out burr to acetabular bone, remove the pass of pathologyJoint cartilage, and makes the acetabular bone surface after burr be similar to sphere, to realize good fit with prosthese. ExistingSome reamer for hip arthroplasty,acetabulum are made up of with the file bar being fixedly connected with file head hemispheric file head, wherein, on file head, pressAccording to being provided with a series of hole, realize the polishing to acetabular bone; File bar is arranged with rotary handle outward, to keep awayWhile exempting to operate in art, cause the friction to patient's hand. While using this traditional reamer for hip arthroplasty,acetabulum, reamer for hip arthroplasty,acetabulum is initialThe selection of the location of position and burr direction all needs rule of thumb judgement voluntarily of doctor, and from experienceJudge often accuracy deficiency, this with utilize acetabular bone navigation template, the object that prosthese is accurately implanted is runed counter to.
By the above, how a kind of novel reamer for hip arthroplasty,acetabulum is provided, lower real assisting of acetabular bone navigation templateThe accurate location of existing burr original position and burr direction, becomes those skilled in the art and needs badly the skill of solutionArt problem.
Summary of the invention
In view of this, the invention provides a kind of reamer for hip arthroplasty,acetabulum, to realize burr under acetabular bone navigation template is auxiliaryThe accurate location of original position and burr direction.
For achieving the above object, the invention provides following technical scheme:
A kind of reamer for hip arthroplasty,acetabulum, comprises file head, file bar and rotary handle, file head comprise hemispheric curved face part andThe file head bracket being connected with curved face part, file head bracket is removably connected with file bar, and file bar is arranged with and revolves outwardChange hands handle, axle center, the file center of head bracket and the center of curved face part curved surface of file bar are provided with connected with each otherLogical pilot hole.
Preferably, in above-mentioned reamer for hip arthroplasty,acetabulum, the diameter of pilot hole is 3.4 millimeters.
Preferably, in above-mentioned reamer for hip arthroplasty,acetabulum, also comprise the sleeve being arranged in file head, sleeve is arranged onBetween file head bracket and curved face part, and be fixedly linked with file head bracket.
Preferably, in above-mentioned reamer for hip arthroplasty,acetabulum, the internal diameter of sleeve equals the diameter of pilot hole, the length of sleeveDegree is less than the radius of curved face part.
Preferably, in above-mentioned reamer for hip arthroplasty,acetabulum, on rotary handle, be provided with at least one anchoring annex, anchorGu annex comprises the fixed part being removably fixedly connected with rotary handle, and removably solid with fixed partThe movable part that phasing connects.
Preferably, in above-mentioned reamer for hip arthroplasty,acetabulum, fixed part and movable part are provided with chute on one of them,On another, be provided with the hole corresponding with runner position, between fixed part and movable part by being arranged in holeScrew is fixedly linked.
Preferably, in above-mentioned reamer for hip arthroplasty,acetabulum, anchoring annex is arranged on the end of rotary handle.
Preferably, in above-mentioned reamer for hip arthroplasty,acetabulum, on rotary handle, be hinged with two anchoring annexes.
Preferably, in above-mentioned reamer for hip arthroplasty,acetabulum, the profile of fixed part and movable part is rectangular frame.
Preferably, in above-mentioned reamer for hip arthroplasty,acetabulum, the length of rectangular frame is 50 millimeters, and width is 30 millisRice.
The invention provides a kind of reamer for hip arthroplasty,acetabulum, comprise file head, file bar and rotary handle, wherein, file head bagDraw together hemispherical curved face part connected with each other and file head bracket, file head bracket is removably connected with file bar, revolvesChange hands sleeve and be located at outside file bar, in the axle center of file bar, the center of filing head bracket and curved face part top-surface camberHeart position, is respectively arranged with logical pilot hole connected with each other.
Compared with existing reamer for hip arthroplasty,acetabulum, in reamer for hip arthroplasty,acetabulum provided by the present invention, be provided with pilot hole. UsingTime, first, utilize acetabular bone navigation template to determine burr original position, put into and stationary positioned pin; Then,Acetabular bone navigation template is taken off; Again reamer for hip arthroplasty,acetabulum is put into along pilot pin indicated direction, can be realized acetabular boneThe accurate location of rasion file original position and burr direction.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,Do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the reamer for hip arthroplasty,acetabulum that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the structural representation that sleeved reamer for hip arthroplasty,acetabulum is set;
Fig. 3 is the structural representation that is provided with the reamer for hip arthroplasty,acetabulum of anchoring annex.
In above Fig. 1-3:
File 1, file bar 2, rotary handle 3, pilot hole 4, sleeve 5, anchoring annex 6, curved face part 11,File head bracket 12, fixed part 61, movable part 62.
Detailed description of the invention
The embodiment of the invention discloses a kind of reamer for hip arthroplasty,acetabulum, under the cooperation of acetabular bone navigation template, can realize millThe accurate location of file original position and burr direction.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried outDescribe clearly and completely, obviously, described embodiment is only the present invention's part embodiment, andNot whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.
As shown in Figure 1, the reamer for hip arthroplasty,acetabulum that the embodiment of the present invention provides comprises file 1, file bar 2 and rotary handle3. Wherein, file 1 comprises curved face part 11 and file head bracket 12, and the profile of curved face part 11 is hemispherical, fileHead bracket 12 connects curved face part 11 and file bar 2. Rotary handle 3 is set in the outside of file bar 2, and both can phaseRotate mutually. Center at the axle center of filing bar 2, file head bracket 12 center and curved face part 11 top-surface cambers arrangesHave pilot hole 4, pilot hole 4 is connected with each other logical between file bar 2, file head bracket 12 and curved face part 11.
In the time using reamer for hip arthroplasty,acetabulum provided by the present invention, first, utilize acetabular bone navigation template to determine that burr risesBeginning position and burr direction, put into and stationary positioned pin; Then, keep pilot pin motionless, acetabular bone is ledModel plane plate takes off; Finally reamer for hip arthroplasty,acetabulum is put into along pilot pin indicated direction, can be realized reamer for hip arthroplasty,acetabulum burrThe accurate location of original position and burr direction.
It will be appreciated by persons skilled in the art that acetabular bone navigation template is taking patient's acetabular bone as prototype, withPatient's bone matched. On acetabular bone navigation template, be provided with navigation pipe, the axis process of navigation pipeAcetabular bone is the centre of sphere of suitable spheroid, that is, insert after pilot pin along navigation pipe, and this pilot pin is through acetabular bone surfaceThe centre of sphere of place sphere. After the reamer for hip arthroplasty,acetabulum that the embodiment of the present invention is provided is put into along pilot pin, file 1The centre of sphere of first spherical curved face part 11 also just with acetabular bone the centre of sphere of suitable spheroid overlap, thereby realized millThe accurate location of file original position.
Preferably, in the reamer for hip arthroplasty,acetabulum providing at above-described embodiment, the diameter of pilot hole 4 is 3.4 millimeters.
Further, in order to make reamer for hip arthroplasty,acetabulum more stable in use, on the basis of above-described embodiment,In the reamer for hip arthroplasty,acetabulum that the embodiment of the present invention provides, also comprise sleeve 5.
As shown in Figure 2, sleeve 5 is arranged in file 1, its between curved face part 11 and file head bracket 12,Its one end is fixedly linked with file head bracket 12.
In the time that reamer for hip arthroplasty,acetabulum is imported along pilot pin, sleeve 5 can guide pilot pin to enter into pilot hole 4,Be convenient to location. Meanwhile, in the process of burr, sleeve 5 has increased the stability of reamer for hip arthroplasty,acetabulum.
Concrete, in the reamer for hip arthroplasty,acetabulum providing at above-described embodiment, the internal diameter of sleeve 5 equals pilot hole 4Diameter, meanwhile, the length of sleeve 5 is less than the radius of curved face part.
In order further to improve the stability of reamer for hip arthroplasty,acetabulum in burr process, make acetabular bone surface that burr goes out moreBe similar to sphere, anchoring annex 6 is also provided in the reamer for hip arthroplasty,acetabulum providing at above-described embodiment.
Please refer to Fig. 3, (the reamer for hip arthroplasty,acetabulum providing at the present embodiment on rotary handle 3 is provided anchoring annex 6Comprise two anchoring annexes 6). Anchoring annex 6 comprises fixed part 61 and movable part 62, wherein, GuBonding part 61 is removably connected with rotary handle 4, and 62 of movable parts are removably even fixing with fixed part 61Connect.
In the time of the reamer for hip arthroplasty,acetabulum that uses the present embodiment to provide, first insert and fix three by acetabular bone navigation templateRoot pilot pin, then unclamps being connected between fixed part 61 and rotary handle 4, fixed part 61 and interactive portion 62,Again pilot pin is inserted in anchoring annex 6, finally fixes again fixed part 61 and rotary handle 4, fixed part61 and interactive portion 62 between be connected, can utilize reamer for hip arthroplasty,acetabulum to carry out burr.
When the reamer for hip arthroplasty,acetabulum of stating in the use carries out burr, anchoring annex 6 provides auxiliary consolidating for reamer for hip arthroplasty,acetabulumFixed, meanwhile, the pilot pin in anchoring annex 6 can form and coordinate with the pilot pin in pilot hole, forms threeFixing of dihedral, makes the fixing more reliable of reamer for hip arthroplasty,acetabulum.
In the reamer for hip arthroplasty,acetabulum providing at above-described embodiment, between fixed part 61 and movable part 62 by chute,Hole is connected with screw.
Concrete, a penetrating chute is set on fixed part 61, on movable part 62, number is set simultaneouslyThe hole that individual position is corresponding with chute, can utilize the screw being arranged in hole by fixed part 61 and movable part 62Be fixedly connected with.
It will be appreciated by persons skilled in the art that first, detachable between fixed part 61 and movable part 62Be fixedly connected with and there is multiple implementation, be not limited in the present embodiment, provide utilize chute,The form of hole and screw; Moreover, chute can be arranged on movable part 62, and hole be arranged on fixingIn portion 61.
In the reamer for hip arthroplasty,acetabulum providing at above-described embodiment, anchoring annex is arranged on the end of rotary handle.
Preferably, in the reamer for hip arthroplasty,acetabulum providing at above-described embodiment, the profile of fixed part, movable part isThe framework of rectangle. Concrete, the length of rectangular frame is 50 millimeters, width is 30 millimeters.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stressesBe and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field can be realized or useThe present invention. To be aobvious and easy for those skilled in the art to the multiple amendment of these embodimentSee, General Principle as defined herein can be in the situation that not departing from the spirit or scope of the present invention,Realize in other embodiments. Therefore, the present invention will can not be restricted to these embodiment shown in this article,But to meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a reamer for hip arthroplasty,acetabulum, comprises file head, file bar and rotary handle, and described file head comprises hemispheric songFace and the file head bracket being connected with described curved face part, described file head bracket and removably phase of described file barConnect, described file bar is arranged with rotary handle outward, it is characterized in that the axle center of described file bar, described file headThe center of the center of support and described curved face part curved surface is respectively arranged with logical pilot hole connected with each other, and instituteState and on rotary handle, be provided with at least one and provide the anchoring annex of auxiliary positioning, described anchoring for reamer for hip arthroplasty,acetabulumAnnex comprises the fixed part being removably fixedly connected with described rotary handle, and removable with described fixed partUnload the movable part being fixedly linked.
2. reamer for hip arthroplasty,acetabulum according to claim 1, is characterized in that, the diameter of described pilot hole is 3.4Millimeter.
3. reamer for hip arthroplasty,acetabulum according to claim 1 and 2, is characterized in that, described in also comprising and being arranged onSleeve in file head, described sleeve is arranged between described file head bracket and described curved face part, and with describedFile head bracket is fixedly linked.
4. reamer for hip arthroplasty,acetabulum according to claim 3, is characterized in that, the internal diameter of described sleeve equals instituteState the diameter of pilot hole, the length of described sleeve is less than the radius of curved face part.
5. reamer for hip arthroplasty,acetabulum according to claim 1, is characterized in that, described fixed part and described activityPortion is provided with chute on one of them, is provided with the hole corresponding with described runner position on another, described solidBetween bonding part and described movable part, be fixedly linked by the screw being arranged in described hole.
6. reamer for hip arthroplasty,acetabulum according to claim 1, is characterized in that, described anchoring annex is arranged on instituteState the end of rotary handle.
7. reamer for hip arthroplasty,acetabulum according to claim 1, is characterized in that, on described rotary handle, is hinged withTwo anchoring annexes.
8. reamer for hip arthroplasty,acetabulum according to claim 1, is characterized in that, described fixed part and described activityThe profile of portion is rectangular frame.
9. reamer for hip arthroplasty,acetabulum according to claim 8, is characterized in that, the length of described rectangular frame is50 millimeters, width is 30 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310168968.0A CN103230297B (en) | 2013-05-09 | 2013-05-09 | Reamer for hip arthroplasty,acetabulum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310168968.0A CN103230297B (en) | 2013-05-09 | 2013-05-09 | Reamer for hip arthroplasty,acetabulum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103230297A CN103230297A (en) | 2013-08-07 |
| CN103230297B true CN103230297B (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310168968.0A Active CN103230297B (en) | 2013-05-09 | 2013-05-09 | Reamer for hip arthroplasty,acetabulum |
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| CN (1) | CN103230297B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103750880A (en) * | 2014-01-09 | 2014-04-30 | 王禹基 | Acetabular bone file with rotating shaft positioning function |
| CN105167819A (en) * | 2015-09-25 | 2015-12-23 | 海南省万宁市人民医院 | Patella forming file |
| CN110292470A (en) * | 2019-08-08 | 2019-10-01 | 北京积水潭医院 | Spherical osseous part leads to heart ancillary equipment |
| CN110495975A (en) * | 2019-08-29 | 2019-11-26 | 北京长木谷医疗科技有限公司 | The method for posting of Position Fixing Navigation System, prosthese |
| CN110522494B (en) * | 2019-10-12 | 2024-02-06 | 郑州市骨科医院 | Acetabular file concentricity maintaining device |
| CN112190303B (en) * | 2020-10-29 | 2022-03-11 | 北京市春立正达医疗器械股份有限公司 | Joint mortar nest file |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0782840A1 (en) * | 1996-01-08 | 1997-07-09 | Precifar S.A. | Reamer with a tubular part |
| WO2012021857A2 (en) * | 2010-08-13 | 2012-02-16 | Mason James Bettenga | Surgical guides |
| CN202235617U (en) * | 2011-09-16 | 2012-05-30 | 黄彰 | Positioning type acetabulum file used for artificial hip joint replacement |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8603180B2 (en) * | 2006-02-27 | 2013-12-10 | Biomet Manufacturing, Llc | Patient-specific acetabular alignment guides |
| MX2012005649A (en) * | 2009-11-17 | 2012-12-05 | Univ Kingston | Patient-specific guide for acetabular cup placement. |
-
2013
- 2013-05-09 CN CN201310168968.0A patent/CN103230297B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0782840A1 (en) * | 1996-01-08 | 1997-07-09 | Precifar S.A. | Reamer with a tubular part |
| WO2012021857A2 (en) * | 2010-08-13 | 2012-02-16 | Mason James Bettenga | Surgical guides |
| CN202235617U (en) * | 2011-09-16 | 2012-05-30 | 黄彰 | Positioning type acetabulum file used for artificial hip joint replacement |
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| Publication number | Publication date |
|---|---|
| CN103230297A (en) | 2013-08-07 |
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Effective date of registration: 20190401 Address after: 650032 No. 212 Daguan Road, Xishan District, Kunming City, Yunnan Province Patentee after: 92nd Hospital of the Joint Logistics Support Force of the Chinese People's Liberation Army Address before: 650000 Orthopaedic Hospital Affiliated to Kunming General Hospital, Chengdu Military Region, 212 Daguan Road, Kunming City, Yunnan Province Co-patentee before: Liang Jinlong Patentee before: Lu Sheng |
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